Noun

English

Noun

(noun form very rare): a small opening or space between
objects, especially
adjacent objects or objects set closely together, as between cords
in a rope or components of a multiconductor electrical cable or
between atoms in a crystal. "The part that is not there."

Quotation

1999 That he ran the risk of blowing out the stained-glass
windows was of no consequence since no one liked them anyway, and
the paper mill fumes were gnawing at the interstitial lead. - Neal
Stephenson, Cryptonomicon.